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Finding the Fourth Proportional to 543,694.36, 750,314.46 and 328,873.72

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Solution

The fourth proportional to 543,694.36, 750,314.46 and 328,873.72 is: 453,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,694.36 : 750,314.46 = 328,873.72 : x
  2. Step 2: Convert to fraction form
    543,694.36/750,314.46 = 328,873.72/x
  3. Step 3: Cross multiply
    543,694.36x = 750,314.46 × 328,873.72
  4. Step 4: Simplify right side
    543,694.36x = 246,758,707,629.99
  5. Step 5: Solve for x
    x = 246,758,707,629.99/543,694.36
  6. Step 6: Final answer
    x = 453,855.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.